2005- Professor (currently at step 9), Department of Microbiology & Plant Pathology, University of California, Riverside.
2003-2005 Associate Professor, UC-Riverside
2000-2003 Assistant Professor, UC-Riverside
1996-2000 Principal Investigator, Molecular Virology Laboratory, Institute of Molecular Agrobiology (renamed as Temasek Life Sciences Laboratory), National University of Singapore.
1991-1996 Post-doctoral Fellow and Research Fellow, University of Adelaide, Australia.
AWARDS AND HONORS:
Fellow, American Association for the Advancement of Science, elected in 2006
Fellow, American Academy of Microbiology, elected in 2012
Waller Memorial Lecturer, Ohio State University, 2012
Biao Ding Memorial Lecturer, Ohio State University, 2018
JOURNAL EDITORIAL BOARDS
2010 - Section Editor, PLoS Pathogens
2008-2009 Associate Editor, PLoS Pathogens
2005-2009 Editor, FEBS Letters
2003-2005 Associate Editor, Phytopathology
2005- Editorial board member, Virology
2008- Editorial board member, Journal of Virology
2013- Editorial board member, Journal of Biological Chemistry
2015- Advisory Board member, Advances in Virus Research